| article html file updated | 6 February 2020 03:50 CET | Update | https://www.mdpi.com/1420-3049/18/8/9901 |
| article html file updated | 20 September 2019 00:07 CEST | Update | - |
| article html file updated | 8 May 2019 01:38 CEST | Update | - |
| article html file updated | 21 March 2019 03:07 CET | Update | - |
| article html file updated | 14 September 2018 08:56 CEST | Original file | - |
| article pdf uploaded. | 16 August 2013 09:50 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/8/9901/pdf |
